# SDR AALA2019100759017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2019
- Submitted: October 7, 2019
- Operation: Air carrier
- Aircraft: [N973AN](https://openairdocs.org/aircraft/N973AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29548
- Aircraft time: 54,531 hours, 22,388 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A5660U3
- Condition: Corroded
- Location: Bs 947-967
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019100759017

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON INTERCOSTAL BETWEEN BS 947 AND BS 967 AT LBL 25. REPLACED INTERCOSTAL PER SRM 51-40-02.

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